Dormer R458 HM High Performance TiAlN Coated Force X Drill Bit

The 19.8mm diameter Dormer R458 HM High Performance TiAlN Coated Force X Drill Bit offers precise sizing approaching 20mm for substantial bore drilling operations. This professional-grade drill bit features solid carbide construction with advanced TiAlN coating, delivering superior heat resistance and prolonged service life when working with steel, stainless steel, and cast iron.

The 140° modified 4-facet split point ensures accurate centring even at this larger diameter, whilst the continuously thinned parallel web optimises chip evacuation. Perfect for heavy-duty structural work, mechanical installations, and large-scale engineering applications.

Features and Benefits:
• Titanium Aluminum Nitride coating for extended tool life
• Solid carbide construction for superior durability
• 140° drill point for precise positioning
• Continuously thinned web flute design
• 3×D drilling capability
• DIN 6537 K and DIN 6535 HA standards
• m7 tolerance zone

Specifications:
Diameter: 19.8mm